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In which direction does birth rate work in population change?

Answer and explanation

Correct answer: Toward increasing population

Direct answer: Option C, toward increasing population. Birth rate measures the number of live births in a population during a specified period, usually in relation to the population size. Each birth adds a new person, so births operate on the addition side of population change. To reason step by step, begin with the existing population, add the births, subtract deaths, and then consider in-migration and out-migration to find the final change. Option A is wrong because births do not remove people; they add them. Option B is wrong because birth rate measures births and does not stop or measure migration. Option C is correct because a higher birth rate can contribute to population increase, especially when deaths and out-migration do not offset it. Option D is wrong because birth rate does not change the physical area of a place. Memory cue: births add, deaths subtract; migration redistributes people between places.

Related tags

Birth RatePopulation IncreaseDemographyPopulation ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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